:root {
    --bg-color: #0B0A1A;
    --primary-neon: #B026FF;
    --secondary-neon: #FF007F;
    --star-blue: #00E5FF;
    --text-main: #F0F0F5;
    --text-muted: #9A9AB0;
    --glass-bg: rgba(20, 18, 40, 0.6);
    --glass-border: rgba(176, 38, 255, 0.3);
    --card-bg: #15132B;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 15% 50%, rgba(176, 38, 255, 0.08) 0%, transparent 50%),
                      radial-gradient(circle at 85% 30%, rgba(255, 0, 127, 0.08) 0%, transparent 50%);
    background-attachment: fixed;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  img {
    max-width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
  }

  /* 动效类 */
  .shimmer {
    position: relative;
    overflow: hidden;
  }
  .shimmer::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.15) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: left 0.6s ease;
  }
  .shimmer:hover::after {
    left: 150%;
  }

  .glow {
    box-shadow: 0 0 15px rgba(176, 38, 255, 0.4);
    transition: box-shadow 0.3s ease;
  }
  .glow:hover {
    box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
  }

  .btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
    color: #fff;
    border: none;
    box-shadow: 0 0 10px rgba(176, 38, 255, 0.5);
  }
  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 0, 127, 0.8);
  }

  /* 布局 */
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  section {
    padding: 80px 0;
    position: relative;
  }

  h1, h2, h3 {
    line-height: 1.3;
  }
  h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 40px;
    background: linear-gradient(to right, var(--text-main), var(--primary-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  /* 导航 */
  header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 15px 0;
    transition: background 0.3s ease, backdrop-filter 0.3s ease;
  }
  header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
  }
  .nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .logo-group {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: bold;
  }
  .logo-group img {
    height: 32px;
    border-radius: 6px;
  }
  nav ul {
    display: none;
    list-style: none;
    gap: 30px;
  }
  nav ul li a {
    color: var(--text-muted);
    transition: color 0.3s;
  }
  nav ul li a:hover {
    color: var(--text-main);
  }

  /* Hero */
  .hero {
    padding-top: 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
  }
  .hero-text h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
  }
  .hero-text h1 span {
    color: var(--star-blue);
  }
  .hero-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
  }
  .hero-visual {
    position: relative;
    perspective: 1000px;
  }
  .hero-character {
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transition: transform 0.1s ease;
    transform-style: preserve-3d;
  }
  .hero-ui {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 70%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.6);
    border: 1px solid var(--glass-border);
    transition: transform 0.1s ease;
    transform-style: preserve-3d;
    transform: translateZ(30px);
  }

  /* 弹幕墙 */
  .danmaku-wall {
    background: url('images/fengyueai.webp') center/cover no-repeat;
    position: relative;
    height: 200px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
  }
  .danmaku-wall::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(11, 10, 26, 0.7);
  }
  .danmaku-track {
    white-space: nowrap;
    position: relative;
    z-index: 1;
    display: inline-block;
    animation: scroll-left 20s linear infinite;
    font-weight: bold;
  }
  .danmaku-track:hover {
    animation-play-state: paused;
    color: var(--star-blue);
    text-shadow: 0 0 10px var(--star-blue);
  }
  .bubble {
    display: inline-block;
    background: rgba(176, 38, 255, 0.2);
    border: 1px solid var(--primary-neon);
    padding: 6px 16px;
    border-radius: 20px;
    margin-right: 20px;
    backdrop-filter: blur(4px);
  }
  @keyframes scroll-left {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
  }

  /* 角色广场 */
  .character-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .character-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .character-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 0 20px rgba(176, 38, 255, 0.6);
  }
  .character-img {
    width: 100%;
    height: 240px;
    object-fit: cover;
  }
  .character-info {
    padding: 15px;
  }
  .character-info h3 {
    margin-bottom: 5px;
  }
  .tag {
    font-size: 0.8rem;
    background: rgba(255, 0, 127, 0.2);
    color: var(--secondary-neon);
    padding: 2px 8px;
    border-radius: 10px;
    display: inline-block;
    margin-bottom: 10px;
  }
  .character-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
  }

  /* 模型对比 */
  .model-compare {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .compare-box {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
  }
  .compare-box.bad {
    filter: grayscale(80%);
    opacity: 0.7;
  }
  .compare-box.good {
    box-shadow: 0 0 30px rgba(176, 38, 255, 0.4);
    border-color: var(--primary-neon);
    position: relative;
  }
  .compare-box.good::before {
    content: '✦ 专属记忆护盾';
    position: absolute;
    top: -12px; left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-neon), var(--star-blue));
    font-size: 0.8rem;
    padding: 4px 12px;
    border-radius: 10px;
    color: #fff;
    font-weight: bold;
  }
  .mock-chat {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .mock-msg {
    background: rgba(255,255,255,0.05);
    padding: 10px 15px;
    border-radius: 10px;
    font-size: 0.9rem;
  }
  .mock-msg.ai {
    background: rgba(176, 38, 255, 0.15);
    border-left: 2px solid var(--primary-neon);
  }

  /* 捏人展示 */
  .create-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
  }
  .create-img-wrapper {
    position: relative;
    padding: 10px;
  }
  .magic-ring {
    position: absolute;
    inset: 0;
    border-radius: 20px;
    background: linear-gradient(45deg, var(--primary-neon), transparent, var(--secondary-neon));
    z-index: -1;
    animation: spin 4s linear infinite;
    filter: blur(10px);
    opacity: 0.5;
  }
  @keyframes spin { 100% { transform: rotate(360deg); } }

  /* 创作者招募 */
  .creator-recruit {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    background: linear-gradient(135deg, rgba(176,38,255,0.1), transparent);
    border-radius: 20px;
    padding: 40px 20px;
  }

  /* 多端展示 & VIP */
  .vip-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .vip-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--glass-border);
  }
  .vip-card.promo {
    border-color: var(--primary-neon);
    background: linear-gradient(180deg, rgba(176,38,255,0.15) 0%, var(--card-bg) 100%);
    position: relative;
    box-shadow: 0 0 20px rgba(176, 38, 255, 0.3);
  }

  /* FAQ */
  .faq-item {
    background: var(--card-bg);
    margin-bottom: 10px;
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
  }
  .faq-q {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    font-weight: bold;
  }
  .faq-a {
    padding: 0 20px 20px;
    color: var(--text-muted);
    display: block;
  }

  /* 页脚 */
  footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  footer a {
    color: var(--text-muted);
    transition: color 0.3s;
  }
  footer a:hover {
    color: var(--text-main);
  }
  .footer-links {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
  }

  /* 响应式 */
  @media (min-width: 768px) {
    nav ul { display: flex; }
    .hero-grid { grid-template-columns: 1fr 1fr; }
    .character-grid { grid-template-columns: repeat(2, 1fr); }
    .model-compare { grid-template-columns: 1fr 1fr; }
    .create-section { grid-template-columns: 1fr 1fr; }
    .creator-recruit { grid-template-columns: 1fr 1fr; padding: 60px 40px; }
    .vip-grid { grid-template-columns: repeat(3, 1fr); }
    .danmaku-wall { height: 250px; }
    .hero-text h1 { font-size: 3rem; }
  }
  @media (min-width: 1024px) {
    .character-grid { grid-template-columns: repeat(3, 1fr); }
    .hero-text h1 { font-size: 3.5rem; }
  }